Dog parks, as you know if you've ever been to one, create a lot of excrement. Now, Cambridge, Massachusetts recently implemented the ParkSpark Project, which is streetlight powered entirely by dog droppings.

Cleaning up after our pets is messy but leaving it behind is irresponsible and potentially harmful. No one likes to deal with their pet's waste; but now there's a company that will take your of this uncanny task.

For most people the waste they eject from their bodies is something they don't bother thinking about once they've shut the toilet door behind them. But there are some who think human waste could be a major part of a stable gas supply. Just as long as we can overcome our prejudices.

100 million pigs are slaughtered each year in the USA alone, producing 110 million tons of waste. Much of these ends up in rivers and fed the expansion of a New Jersey-sized dead zone in the Gulf of Mexico. Billions of dollars are spent on waste transportation and treatment, and regulations continue to become more stringent and cost-intensive to satisfy our desire for a clean environment. Meanwhile, we have a growing need for biofuels that would reduce our dependence on foreign oil and the world's finite supply of crude petroleum.

Dutch agriculture minister just announced a groundbreaking development as she unveiled the world’s largest biomass power plant to run exclusively on poultry manure. The plant will convert a third of the nation’s chicken waste into energy while running at a capacity of 36.5 megawatts - enough to power 90,000 homes.

Researchers at a giant panda reserve in southern China are looking for paper mills to process their surplus of fiber-rich panda excrement into high quality paper. Liao Jun, a researcher at the Chengdu Giant Panda Breeding Base in Sichuan province, said the idea came to them after a visit to Thailand. They thought panda poop would produce a fine quality paper, he said. The center's 40 bamboo-fed pandas produce about 2 tons of droppings a day.

What do you do on those moments when you get the urge for number two on the road, but don’t have access to a proper toilet?
Just like you wouldn’t leave your dog’s poop on the side of the road, you shouldn’t leave a heap of your own either. Instead of scooping, try these disposable portable corrugated recycled cardboard toilets.

It all started in 2001 when two students changed the way to do business. Inspired by a box of worms, they proved that a company could be financially successful while being ecologically and socially responsible. Determined to turn the concept into a commercially viable process, a prototype was developed to reprocess solid waste from dining halls at Princeton University.

Bet you never thought you’d be hanging poo on your walls. The Great Elephant PooPoo Paper Company sells works of art made out of real elephant waste from conservation parks. It won’t stink up your living room and at very reasonable prices, these unique paper items could become quite popular!